S3 - Automatically creating a new bucket using php uploader

  <script type="text/javascript" src="sendhelper.js"></script>  

function send() {
// New upload started, create new timestamp value
var timestamp = + new Date; // get current time in the numeric format

var as3;
// Find AmazonS3Extender in extenders array
for (var i = 0; i < ImageUploader1_w._extenders.length; i++) {
  if (ImageUploader1_w._extenders[i] instanceof AmazonS3Extender) {
   as3 = ImageUploader1_w._extenders[i];
   break;
  }
}

  // And reconfigure AmazonS3Extender
as3.getSourceFile().setKey(key + timestamp + '/${filename}');
as3.getThumbnail1().setKey(key + timestamp + '/${filename}');
as3.getThumbnail2().setKey(key + timestamp + '/${filename}');
totalFilesUploaded = 0;
uploadCount = 0;
cancelled = false;
var u = getImageUploader("ImageUploader1");
//save upload list
u.SaveUploadList(1);
//send files
u.Send();
}